[PR PATCH] common/build-style: fix do_check for cmake.

[ericonr <ericonr@users.noreply.github.com>]

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There is a new pull request by ericonr against master on the void-packages repository

https://github.com/ericonr/void-packages cmake
https://github.com/void-linux/void-packages/pull/28884

common/build-style: fix do_check for cmake.
make was accidentally left hardcoded to query if a test target was
available, which meant tests wouldn't be run for most of the
applications, since they were now using ninja.

@Johnnynator 

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A patch file from https://github.com/void-linux/void-packages/pull/28884.patch is attached

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From 3fe6392f383463a05531b535107442f66c9814e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89rico=20Rolim?= <erico.erc@gmail.com>
Date: Fri, 19 Feb 2021 12:56:57 -0300
Subject: [PATCH] common/build-style: fix do_check for cmake.

make was accidentally left hardcoded to query if a test target was
available, which meant tests wouldn't be run for most of the
applications, since they were now using ninja.
---
 common/build-style/cmake.sh | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/common/build-style/cmake.sh b/common/build-style/cmake.sh
index 26d55f527e3..00ef3ff37e5 100644
--- a/common/build-style/cmake.sh
+++ b/common/build-style/cmake.sh
@@ -79,20 +79,34 @@ do_build() {
 }
 
 do_check() {
+	: ${make_cmd:=ninja}
+
 	cd ${cmake_builddir:=build}
 
-	if [ -z "$make_cmd" ] && [ -z "$make_check_target" ]; then
-		if make -q test 2>/dev/null; then
-			:
-		else
-			if [ $? -eq 2 ]; then
-				msg_warn 'No target to "make test".\n'
-				return 0
-			fi
-		fi
+	if [ -z "$make_check_target" ]; then
+		case $make_cmd in
+			make)
+				if make -q test 2>/dev/null; then
+					:
+				else
+					if [ $? -eq 2 ]; then
+						msg_warn 'No target to "make test".\n'
+						return 0
+					fi
+				fi
+				;;
+			ninja)
+				if ! ninja -t query test >/dev/null 2>&1; then
+					msg_warn 'No target to "ninja test".\n'
+					return 0
+				fi
+				;;
+			*)
+				msg_warn "Can't run tests with '$make_cmd', define do_check.\n"
+				;;
+		esac
 	fi
 
-	: ${make_cmd:=ninja}
 	: ${make_check_target:=test}
 
 	CTEST_OUTPUT_ON_FAILURE=TRUE ${make_cmd} ${make_check_args} ${make_check_target}